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68760910004 = 22171223826811
BaseRepresentation
bin100000000001001111…
…0000011100010110100
320120111001210010221112
41000002132003202310
52111310243110004
651331024534152
74652650043243
oct1000236034264
9216431703845
1068760910004
1127185817456
12113aba81358
13663a8178c7
14348422c95a
151bc6952e6e
hex10027838b4

68760910004 has 24 divisors (see below), whose sum is σ = 127514253888. Its totient is φ = 32331578240.

The previous prime is 68760909983. The next prime is 68760910019. The reversal of 68760910004 is 40001906786.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330242 + ... + 496569.

It is an arithmetic number, because the mean of its divisors is an integer number (5313093912).

Almost surely, 268760910004 is an apocalyptic number.

It is an amenable number.

68760910004 is a deficient number, since it is larger than the sum of its proper divisors (58753343884).

68760910004 is a wasteful number, since it uses less digits than its factorization.

68760910004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828055 (or 828053 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 68760910004 in words is "sixty-eight billion, seven hundred sixty million, nine hundred ten thousand, four".

Divisors: 1 2 4 17 34 68 1223 2446 4892 20791 41582 83164 826811 1653622 3307244 14055787 28111574 56223148 1011189853 2022379706 4044759412 17190227501 34380455002 68760910004